<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org/">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <style type="text/css">
        *{
            margin: 0;
            padding: 0;
        }
        header{
            position: fixed;
            top: 0;
            height: 50px;
            width: 100%;
            background-color: rgba(0,0,0,.5);
        }
        .bodyBox{
            width: 80%;
            margin-left: 10%;
            border: 1px solid black;
        }
        .bodyBox>img{
            width: 100%;
            height: auto;
        }
    </style>
</head>
<body>
<header>
    <a th:href="@{/sys_login}">后台管理系统</a>
</header>
<div class="bodyBox">

    <img th:src="@{images/banner.jpg}">

    <div>

    </div>
</div>
<footer></footer>
</body>
</html>